HCU PHD CS JUNE 2021
January 20, 2025HCU PHD CS JUNE 2021
January 20, 2025HCU PHD CS JUNE 2021
| Question 13 |
The monthly expenditure of a household, when analysed, was found to fit a quadratic
function e(x) = ax2 +bx + c. Assuming that the monthly expenditure can never be
negative (in the past or in the future), what can we say about the roots of e(x)?
function e(x) = ax2 +bx + c. Assuming that the monthly expenditure can never be
negative (in the past or in the future), what can we say about the roots of e(x)?
| Both are real | |
| Both are complex numbers | |
| One is real and one is complex | |
| One is real and negativp, the other is real and positive |
Correct Answer: B